156958209

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2118

約数の個数: 32

約数和(自身を含む): 241678080

約数和(自身を除く): 84719871

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 369, 639, 1107, 1917, 1997, 2911, 5991, 8733, 17973, 26199, 53919, 78597, 81877, 141787, 245631, 425361, 736893, 1276083, 2210679, 3828249, 5813267, 17439801, 52319403, 156958209]

約数ペア:

[(1, 156958209), (3, 52319403), (9, 17439801), (27, 5813267), (41, 3828249), (71, 2210679), (123, 1276083), (213, 736893), (369, 425361), (639, 245631), (1107, 141787), (1917, 81877), (1997, 78597), (2911, 53919), (5991, 26199), (8733, 17973)]